




"""simple docstring"""


def    UpperCAmelCase__			(snake_case__				:   Union[str, Any]       ):
  """simple docstring"""

  _snake_case				:						Dict								=    set()
  # edges = list of graph's edges
  _snake_case				:						List[Any]								=    get_edges(a__       )

  # While there are still elements in edges list, take an arbitrary edge
  # (from_node, to_node) and add his extremity to chosen_vertices and then
  # remove all arcs adjacent to the from_node and to_node
  while edges:
    _snake_case						,   _snake_case				:						str								=    edges.pop()
    chosen_vertices.add(a__       )
    chosen_vertices.add(a__       )
    for edge in edges.copy():
      if from_node in edge or to_node in edge:
        edges.discard(a__       )
  return chosen_vertices


def    UpperCAmelCase__			(snake_case__				:   Dict       ):
  """simple docstring"""

  _snake_case				:						str								=    set()
  for from_node, to_nodes in graph.items():
    for to_node in to_nodes:
      edges.add((from_node, to_node)       )
  return edges


if __name__ == "__main__":
     import doctest

     doctest.testmod()

     # graph = {0: [1, 3], 1: [0, 3], 2: [0, 3, 4], 3: [0, 1, 2], 4: [2, 3]}
     # print(f"Matching vertex cover:\n{matching_min_vertex_cover(graph)}")



from typing import Optional
from urllib.parse import quote

import huggingface_hub as hfh
from packaging import version


def 				lowerCAmelCase__       (			a__    ,     a__    ,     a__ = None )      ->str:




  '''simple docstring'''

  if version.parse(hfh.__version__ ).release < version.parse("0.11.0" ).release:
    # old versions of hfh don't url-encode the file path
    _UpperCamelCase           =    quote(a__ )
  return hfh.hf_hub_url(a__    ,     a__    ,     repo_type="dataset"    ,     revision=a__ )




